>From INFRA: "I have confirmed that our builds appear to be running with
3.75GB memory and 1 core currently. This does not match Travis' standard
specs (7.5GB and 2 cores), and I have raised a ticket with their support. I
will respond when we hear back from Travis."


On Tue, Jul 23, 2019 at 10:26 AM Jarek Potiuk <[email protected]>
wrote:

> It's definitely confirmed that the problem is on Travis CI side:
>
> I re-run the commit before the new CI was introduced (I cherry-picked a
> small doc fix related to recent sphinx dependency update) and it fails in
> exactly the same way (memory and cpu problems):
> https://travis-ci.org/apache/airflow/builds/562450592.
>
> For now I cannot do much but wait for the INFRA's response (and work on
> GitLab CI replacement of Travis).
>
> I recommend to bring some pop-corn. It's going to be an interesting one to
> watch.
>
> J.
>
> On Tue, Jul 23, 2019 at 9:43 AM Jarek Potiuk <[email protected]>
> wrote:
>
>> It's now pretty consistent and happens pretty much every time using the
>> old build system - for example here:
>> https://travis-ci.org/apache/airflow/builds/562435992.
>>
>> I will cancel all PRs and disable automated PR build on Travis until we
>> solve the problem - as it is pointless - new PRs will simply queue and fail
>> constantly.
>>
>> I opened critical infrastructure ticket:
>> https://issues.apache.org/jira/browse/INFRA-18787 and I am running some
>> additional tests - I run the builds from commit before the new CI so that I
>> see if another change since then could cause it.
>>
>> J.
>>
>>
>> On Tue, Jul 23, 2019 at 8:55 AM Jarek Potiuk <[email protected]>
>> wrote:
>>
>>> Update2: I can confirm that the same memory/resource related issues
>>> happen in my Travis CI forks with reverted changes :(
>>> https://travis-ci.org/potiuk/airflow/builds/562430507 . I will escalate
>>> it to Travis/APACHE infrastructure
>>>
>>> On Tue, Jul 23, 2019 at 8:35 AM Jarek Potiuk <[email protected]>
>>> wrote:
>>>
>>>> Update: it looks like it's Travis's problem: I reverted the CI changes
>>>> and we have the same CPU problem in the old build:
>>>> https://travis-ci.org/potiuk/airflow/jobs/562430517 .
>>>>
>>>> On Tue, Jul 23, 2019 at 8:32 AM Jarek Potiuk <[email protected]>
>>>> wrote:
>>>>
>>>>> Hello everyone,
>>>>>
>>>>> We've started to experience some random failures on Travis relaated to
>>>>> lack of resources: those are either Out of Memory errors or lack of CPUS 
>>>>> to
>>>>> run Kubernetes builds.
>>>>>
>>>>> I tried to rerun those, thinking it was an intermittent error. It
>>>>> started happening yesterday and I have not seen it before so I rather 
>>>>> doubt
>>>>> it is related to the latest changes.
>>>>>
>>>>> But I do not want to risk everyone being blocked so I am testing now
>>>>> on my own fork if reverting the latest CI changes help. I will let you 
>>>>> know
>>>>> and will revert in case I found old CI works in a stable way.
>>>>>
>>>>> In the meantime - I will cancel all outstanding builds  that are
>>>>> blocking our queue and will test it both old CI and new CI in our fork :(
>>>>> (Travis queue limit is not helping).
>>>>>
>>>>> Can you please hold on with rebasing/pushing new PRs until I check it.
>>>>>
>>>>> Example failures:
>>>>>
>>>>>
>>>>>    - OSError: [Errno 12] Cannot allocate memory (
>>>>>    https://travis-ci.org/apache/airflow/jobs/562395978)
>>>>>    - [ERROR NumCPU]: the number of available CPUs 1 is less than the
>>>>>    required 2 (https://travis-ci.org/apache/airflow/jobs/562395978)
>>>>>
>>>>>
>>>>> J.
>>>>>
>>>>> --
>>>>>
>>>>> Jarek Potiuk
>>>>> Polidea <https://www.polidea.com/> | Principal Software Engineer
>>>>>
>>>>> M: +48 660 796 129 <+48660796129>
>>>>> [image: Polidea] <https://www.polidea.com/>
>>>>>
>>>>>
>>>>
>>>> --
>>>>
>>>> Jarek Potiuk
>>>> Polidea <https://www.polidea.com/> | Principal Software Engineer
>>>>
>>>> M: +48 660 796 129 <+48660796129>
>>>> [image: Polidea] <https://www.polidea.com/>
>>>>
>>>>
>>>
>>> --
>>>
>>> Jarek Potiuk
>>> Polidea <https://www.polidea.com/> | Principal Software Engineer
>>>
>>> M: +48 660 796 129 <+48660796129>
>>> [image: Polidea] <https://www.polidea.com/>
>>>
>>>
>>
>> --
>>
>> Jarek Potiuk
>> Polidea <https://www.polidea.com/> | Principal Software Engineer
>>
>> M: +48 660 796 129 <+48660796129>
>> [image: Polidea] <https://www.polidea.com/>
>>
>>
>
> --
>
> Jarek Potiuk
> Polidea <https://www.polidea.com/> | Principal Software Engineer
>
> M: +48 660 796 129 <+48660796129>
> [image: Polidea] <https://www.polidea.com/>
>
>

-- 

Jarek Potiuk
Polidea <https://www.polidea.com/> | Principal Software Engineer

M: +48 660 796 129 <+48660796129>
[image: Polidea] <https://www.polidea.com/>

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